Weatheo

St. George Weather by Month

Average temperatures, rainfall and humidity for St. George, United States, month by month, built from OpenWeather’s historical records. Use it to see what a typical St. George month looks like before you travel — then check the live St. George forecast for the days ahead.

Warmest month

July

41°C average high

Coolest month

January

4°C average low

Wettest month

February

16 mm of rain

Driest month

June

2 mm of rain

Average temperature and rainfall in St. George by month

Averages of the daily highs and lows recorded in each month, with total rainfall, mean humidity and mean wind speed.

MonthAvg highAvg lowRecord low / highRainfallHumidityWind
January15°C4°C-13°C / 24°C
12 mm
45%12 km/h
February18°C6°C-10°C / 28°C
16 mm
38%13 km/h
March22°C10°C-5°C / 36°C
13 mm
32%16 km/h
April27°C14°C-2°C / 37°C
7 mm
23%17 km/h
May32°C18°C1°C / 42°C
9 mm
21%16 km/h
June39°C24°C7°C / 46°C
2 mm
15%15 km/h
July41°C28°C15°C / 48°C
9 mm
21%14 km/h
August40°C26°C12°C / 47°C
11 mm
24%13 km/h
September35°C22°C6°C / 45°C
12 mm
26%12 km/h
October28°C14°C-3°C / 40°C
5 mm
29%12 km/h
November20°C8°C-7°C / 30°C
6 mm
35%11 km/h
December15°C4°C-12°C / 24°C
10 mm
44%11 km/h

Best time to visit St. George

The most comfortable time to visit St. George is generally March to April and October, balancing mild daytime temperatures against the driest stretch of the year. The city has strongly marked seasons and rainfall is spread evenly across the months, totalling about 112 mm a year.

Travellers who prefer heat should aim for July, when highs average 41°C. February is the month to avoid if rain would spoil your plans — it averages 16 mm, roughly 7× the rainfall of the driest month (June).

Source: OpenWeather historical and statistical weather data. Values are long-term averages, not a forecast — see the St. George forecast for what is happening now.

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